WLC526 install third party certificate

Hi! I would like to install a 3rd party certificate to get rid of the certificate warning for my web authenticated users. Can´t find any documentation about this. Has anyone done this on a 526 express controller? Is it possible?

With the latest release of firmware for the WAP 561, 551, 371, 351 a new
feature was added that would allow customers to upgrade the firmware for
their clustered access points from the main access point.The basic steps
to accomplish this is:1) Download th...
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Special thanks to Alex McDonald for sharing his favorite tip:My favorite
tip is the ‘write default’ command on autonomous wireless access points,
it simplifies manual conversion of a WAP with a static ip address to a
LAP with a DHCP address.This saved a l...
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